________ a lot of trees in this area, but now we can see a tall building instead.
#70803
A
There used to have
B
There used to be
C
There is used to having
D
There is used to being
推荐题目
—_________do you write to your parents?—Once a month.
#69791
A
How much
B
How often
C
How long
D
How
Betty had nothing to do last Sunday afternoon, ____________? 
#68816
A
hadn't she
B
had she
C
didn't she
D
did she
—Meat isn’t really dangerous , is it?--Oh! ____! It’s not at all good for our health.
#69817
A
Yes, it isn’t
B
No, it is
C
Yes, it is
D
No, it isn’t